TY - JOUR AU - Iro, H; Schneider, H T; Fodra, C; Waitz, G; Nitsche, N; Heinritz, H H; Benninger, J; Ell, C TI - Shockwave lithotripsy of salivary duct stones JO - Lancet VL - 339 PY - 1992 DO - 10.1016/0140-6736(92)91968-E SP - 1333 EP - 1336 ER -